package com.itheima.health.service;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.health.pojo.Member;
import com.itheima.health.pojo.User;

public interface MemberService {

    /**
     * 不存在则创建并返回，存在则更新非空字段并返回
     * @param member
     * @return
     */
    Member createOrUpdate(Member member);


    Member findById(Integer Id);

}
